CN220681926U - Offset press paper positioning device - Google Patents

Abstract

The utility model discloses a paper positioning device of an offset printing machine, which belongs to the technical field of positioning equipment and comprises a bottom plate and a movable plate, wherein linear motors are embedded on two sides of the top of the bottom plate, two ends of the bottom of the movable plate are connected with movable ends of the corresponding linear motors, the top of the movable plate is connected with a frame plate, the bottom of the frame plate is connected with the top of the bottom plate, a pressing plate is arranged below the frame plate, a cavity is formed in the inner top of the frame plate, a screw rod and two nut seats are arranged on the inner periphery of the cavity, a suspension plate is arranged above two sides of the top of the bottom plate, a thread head is arranged on a tenon card at the bottom of the suspension plate, the periphery of the thread head is of a rectangular structural design, and a threaded rod is connected with the center thread of the thread head. The offset printing press paper positioning device not only can automatically press and convey paper, but also has a structure for reinforcing and fixing, and further improves the offset printing efficiency.

Description

Offset press paper positioning device

Technical Field

The utility model belongs to the technical field of positioning equipment, and particularly relates to a paper positioning device of an offset printing press.

Background

Offset printing is a type of lithographic printing, and is simply called offset printing, which is a printing mode in which images and texts on a printing plate are transferred to a printing stock by means of a rubber blanket, and is called a printing mode in which the existence of the rubber blanket is the same. Offset printing is widely applied to appliances (such as brand labels) or paper, wherein when offset printing is carried out on the paper, a positioning device is needed to fix the paper in the offset printing process, but most of existing positioning devices have a press clamping or clamping structure and do not have the purpose of automatically conveying the paper.

The utility model discloses a lithographic offset press paper positioner of publication number CN213356327U, electricity push away jar and promote the clamp plate through the lifter plate and vertically downwards for the clamp plate can play fine location effect to the printed matter of tiling on the workstation, has promoted the stability of printed matter printing process, but it still lacks a structure of carrying paper.

Disclosure of Invention

The utility model aims to provide a paper positioning device of an offset printing press, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an offset press paper positioner, includes bottom plate and movable plate, the top both sides of bottom plate are all inlayed and are equipped with linear electric motor, the both ends of movable plate bottom are connected with the movable end that corresponds linear electric motor, and the top of movable plate is connected with the frame plate, the frame plate is L shape's structure, and the bottom of frame plate is connected with the top of bottom plate, the below of frame plate is provided with the clamp plate, and the bottom of clamp plate is equipped with unsmooth design and presses the line, the cavity has been seted up at the interior top of frame plate, and the inner periphery of cavity is equipped with lead screw and two nut seats that are used for driving the clamp plate to descend, the top of bottom plate top both sides is provided with unsettled board, and unsettled board's bottom tenon card is provided with the screw thread head, the periphery of screw thread head is the structural design of rectangle, and the center threaded connection of screw thread head has the threaded rod.

Preferably, both ends of the screw rod are in rotary connection with the inner circle of the cavity through bearings, and the two nut seats are respectively sleeved at both ends of the periphery of the screw rod.

Preferably, threads with opposite directions are arranged at two ends of the periphery of the screw rod, and one end of the screw rod is connected with a rotating motor through a coupler.

Preferably, the bottom of the nut seat is hinged with a synchronizing rod, and the other ends of the two synchronizing rods are hinged with the top of the pressing plate.

Preferably, the upper half part of the suspension plate is provided with a transmission cavity, and the inner periphery of the transmission cavity is provided with a plurality of meshing gears.

Preferably, the centers of the plurality of engagement gears are connected to the outer circumference of the threaded rod, and the plurality of engagement gears are engaged with each other.

Preferably, a driving motor is installed on one side of the top of the suspension plate, and the output end of the driving motor is connected with the top end of one of the threaded rods through a coupler.

Compared with the prior art, the utility model has the technical effects and advantages that:

the screw rod is characterized in that the screw threads at the two ends of the periphery of the screw rod are oppositely designed, and the nut seat and the synchronizing rod are symmetrically designed, so that the pressing plate can be driven to descend when the rotating motor operates, paper can be further clamped, and then the linear motor is matched to operate, so that the paper can be further driven to move, and the automatic conveying effect is realized;

the rectangular limit design of the thread head and the threaded connection design of the thread head and the threaded rod are realized, the connection of a plurality of meshing gears and the threaded rod and the meshing design of the meshing gears are realized, and the connection of the driving motor and the top end of the threaded rod is realized, so that when the driving motor operates, the driving motor can further drive the plurality of thread heads to descend and press and clamp paper, and the fixing stability is further improved;

the offset printing press paper positioning device not only can automatically press and convey paper, but also has a structure for reinforcing and fixing, and further improves the offset printing efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1A in accordance with the present utility model;

fig. 3 is a central cross-sectional view of a shelf of the present utility model;

fig. 4 is a cross-sectional view of a threaded rod of the present utility model.

Reference numerals illustrate:

1. a bottom plate; 2. a linear motor; 3. a moving plate; 4. a frame plate; 5. a pressing plate; 6. a suspended plate; 7. a side clamping plate;

21. a screw rod; 22. a nut seat; 23. a synchronizing lever; 24. a rotating motor;

31. a thread head; 32. a threaded rod; 33. a meshing gear; 34. and driving the motor.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

Referring to fig. 1 to 4, the general structure of the device body is that a base plate 1, two ends of one side of the base plate 1 are both connected with side clamping plates 7 by bolts, a distance between the two side clamping plates 7 is matched with paper, a suspension plate 6 is arranged above two sides of the top of the base plate 1, and a connecting bent rod (not shown in the figure) for supporting the suspension plate 6 is connected between one side of the suspension plate 6 and the base plate 1;

in order to realize the press-fixing of paper, the top of the bottom plate 1 is provided with a movable plate 3, one side of the top of the movable plate 3 is connected with a frame plate 4, the frame plate 4 is of an L-shaped structure, a pressing plate 5 for press-fixing is arranged below the frame plate 4, and concave-convex design press-holding lines are arranged at the bottom of the pressing plate 5.

Referring to fig. 1 to 3, in order to control the pressing plate 5, a cavity is formed at the inner top of the frame plate 4, a screw rod 21 is arranged at the center of the inner circumference of the cavity, a rotating motor 24 is mounted at one side of the frame plate 4, and an output end of the rotating motor 24 penetrates through the frame plate 4 and is connected with one end of the screw rod 21 through a coupling;

opposite threads are arranged at two ends of the periphery of the screw rod 21, nut seats 22 are symmetrically sleeved at two ends of the periphery of the screw rod 21, synchronizing rods 23 are hinged to the bottoms of the nut seats 22, and the other ends of the two synchronizing rods 23 are hinged to the top of the pressing plate 5.

Referring to fig. 1, in order to convey paper, linear motors 2 are embedded on two sides of the top of a bottom plate 1, and moving ends of the linear motors 2 are respectively connected with corresponding ends of the bottom of a moving plate 3.

Referring to fig. 1 and 4, in order to reinforce the paper, a plurality of screw heads 31 are arranged on the bottom tenon of the suspending plate 6, and the screw heads 31 are rectangular in shape, so that limit is further realized;

the top end opening of the thread head 31 is in threaded connection with a threaded rod 32, and the top end of the threaded rod 32 is in rotary connection with the suspension plate 6 through a bearing;

in order to realize transmission, the upper half part of the suspension plate 6 is provided with a transmission cavity, the periphery of the threaded rod 32 penetrates through the transmission cavity, the peripheries of the threaded rods 32 are connected with meshing gears 33, and the meshing gears 33 are meshed with each other to realize transmission;

a driving motor 34 is installed on one side of the top of the suspension plate 6, and the output end of the driving motor 34 penetrates through the suspension plate 6 and is connected with the top end of one of the threaded rods 32 through a coupler to provide rotary power.

The components and the motor are all the prior art or the prior realizable technology, and the working principle, the size and the model are irrelevant to the functions of the application, so the components and the motor are not described more and are controlled by a remote control switch.

Principle of operation

The offset printing press paper positioning device is characterized in that a device body is arranged at an offset position of offset printing equipment, and when the offset printing press paper positioning device is required to be used, paper is conveyed between two side clamping plates 7 through external conveying arrangement;

starting a rotating motor 24 to drive the screw rod 21 to rotate, so that the nut seat 22 moves in opposite directions, the synchronous rod 23 moves synchronously, the pressing plate 5 descends, and the pressing plate 5 further presses and holds paper;

starting the linear motor 2 again to drive the moving plate 3 to move so that the moving plate 3 moves to the other side;

the driving motor 34 is started to drive the threaded rod 32 to rotate, and simultaneously, the meshing gears 33 on the periphery of the threaded rod 32 rotate, so that the synchronous descending of the threaded head 31 can be further realized through the meshing design of the meshing gears 33, the paper can be further reinforced and pressed, and then external offset printing equipment is started, so that offset printing processing can be performed on the paper.

It should be noted that relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An offset printer paper positioning device, comprising:

the linear motor (2) is embedded on two sides of the top of the bottom plate (1);

the movable plate (3), two ends of the bottom of the movable plate (3) are connected with the movable ends of the corresponding linear motors (2), and the top of the movable plate (3) is connected with a frame plate (4);

the method is characterized in that: the utility model discloses a screw rod structure, including frame plate (4), screw rod (21) and two nut seats (22), the top of bottom plate (1) top both sides is provided with unsettled board (6), and unsettled board (6) bottom tenon card is provided with screw thread head (31), the periphery of screw thread head (31) is the structural design of rectangle, and the center threaded connection of screw thread head (31) has threaded rod (32).

2. The offset printer paper positioning device according to claim 1, wherein: both ends of the screw rod (21) are in rotary connection with the inner circle of the cavity through bearings, and the two nut seats (22) are respectively sleeved at both ends of the periphery of the screw rod (21).

3. The offset printer paper positioning device according to claim 2, wherein: opposite threads are arranged at two ends of the periphery of the screw rod (21), and one end of the screw rod (21) is connected with a rotating motor (24) through a coupler.

4. A sheet positioning device for an offset printing press as set forth in claim 3, wherein: the bottom of nut seat (22) all articulates has synchronizing lever (23), and the other end of two synchronizing levers (23) all articulates with the top of clamp plate (5).

5. The offset printer paper positioning device according to claim 1, wherein: the upper half part of the suspension plate (6) is provided with a transmission cavity, and the inner periphery of the transmission cavity is provided with a plurality of meshing gears (33).

6. The offset printer paper positioning device according to claim 5, wherein: the centers of the plurality of meshing gears (33) are connected with the periphery of the threaded rod (32), and the plurality of meshing gears (33) are meshed with each other.

7. The offset printer paper positioning device according to claim 6, wherein: a driving motor (34) is arranged on one side of the top of the suspension plate (6), and the output ends of the driving motor (34) are connected with the top end of one of the threaded rods (32) through couplings.